Table 2.

Odds ratios from multilevel logistic regression models predicting high school childbearing.

	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6
Individual- and family-level variables (Level 1)
Obese	0.56*	0.57*			0.56*	0.35*
Sociodemographic characteristics
Parent(s) did not complete high school		1.10			1.07	1.08
Household income-needs ratio		0.90*			0.94	0.94
Race/ethnicity (reference = non-Hispanic White)
Non-Hispanic Black		2.03***			2.13**	2.13**
Hispanic		1.29			1.68†	1.70†
Non-Hispanic other		1.61			2.17*	2.14*
Age		0.57***			0.57***	0.57***
Single mother household Other individual-level control variables		1.00			1.05	1.05
Sexual initiator		3.11****			2.96***	2.96***
Number of sexual partners		1.20*			1.19*	1.20*
Age at first menses		0.94			0.94	0.94
Self-esteem		0.90			0.89	0.89
Weight perceptions (reference = just about the right weight)
Underweight		1.18			1.16	1.18
Overweight		0.65*			0.63*	0.62**
Interviewer-rated physical attractiveness		1.11			1.10	1.10
Dropped or stopped out of high school		1.20			1.17	1.17
School-level variables (Level 2)
Proportion of obese students in school			1.06**	1.00	1.00	0.99
Average income-needs ratio				0.73†	0.76†	0.76†
Racial composition (reference = percent non-Hispanic White)
Percent non-Hispanic Black				1.40	0.66	0.65
Percent Hispanic				0.35	0.27†	0.25†
Percent other				0.39	0.17†	0.16†
School urbanicity (reference = urban)
Suburban				1.20	1.03	1.01
Rural				1.11	1.01	0.99
Region (reference = Northeast)
West				1.25	1.19	1.16
Midwest				0.93	0.85	0.85
South				0.89	0.82	0.83
Percent of students testing below grade level				0.66	0.60	0.54
Average grade point average				0.49	0.71	0.73
Percent of students participating in a sport				0.35	0.44	0.42
Cross-level interaction (Level 1 * Level 2)
Young woman is obese (L1) * Proportion of obese students in school (L2)						1.15*
Intercept (y00)	0.05***	0.02***	0.04***	0.04***	0.02***	0.02***
Tau (τ00)	0.33* (0.14)	0.10 (0.09)	0.27* (0.12)	0.14 (0.09)	0.03 (0.08)	0.01 (0.09)
−2 log likelihood	1614.10	1440.74	1611.42	1586.10	1427.16	1422.46

^***Note: p < .001,

^**p < .01,

^*p < .05,

^†p < .10 (two-tailed).

N = 4242 young women nested within 102 U.S. high schools. Value of tau in null model (with no predictors) is 0.31 (SE = 0.14). Source: National Longitudinal Study of Adolescent Health.